package org.webrx;

public class Op2Demo {
    public static void main(String[] args) {

        // += -= *= /=
        int i = 6;
        i += 6; //相当于i = i + 6;
        i -= 3;//i = i - 3;
        i -= 3;
        System.out.println(i);

        byte n = 3;
        n *= 3;//n = n * 3;

        System.out.println(n);
    }
}
